[forinti]

The last time I checked, the only 5,25" floppies that still worked from that age were the ones in those Acornsoft covers.

[terinjokes]

I recently repaired an Apple II that were stored in a binder in an environment that wasn't climate controlled (for ~35 years). The 5.25" floppies had all developed a layer of stickiness, but all but one read fine once I cleaned up the drives.